Finding the Fourth Proportional to 683,927.13, 943,790.07 and 377,987.70
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Solution
The fourth proportional to 683,927.13, 943,790.07 and 377,987.70 is: 521,606.79
Step by Step Solution
- Step 1: Write the proportion equation
683,927.13 : 943,790.07 = 377,987.70 : x - Step 2: Convert to fraction form
683,927.13/943,790.07 = 377,987.70/x - Step 3: Cross multiply
683,927.13x = 943,790.07 × 377,987.70 - Step 4: Simplify right side
683,927.13x = 356,741,037,842.14 - Step 5: Solve for x
x = 356,741,037,842.14/683,927.13 - Step 6: Final answer
x = 521,606.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.